Pocket Watch Database

Patent Archive
#2391816

Patent Information

Hair Spring Collet

William Ogle Jr Bennett

December 25, 1945

Patent #2391816
Manufacturer:Hamilton
Patent Number:2391816
Description:Hair Spring Collet
Inventor(s): William Ogle Jr Bennett
Assignee:Hamilton Watch Co
Patent Date:Dec 25, 1945
Registration Type:Patent
External Research:https://www.google.c…
Patent Document:  PDF